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  1. Pre-Fab Cold Air Intake VS Universal

    Duratec Tuning
    Is there a major difference? Sorry if I sound ignorant about this (cause I am). CAI just a tube and a filter so the engine can draw in colder air, right? So theoretically a universal one would be just as efficient as a pre-fab one, right? I ask because the diff is $60 vs $200+. Thanks for...
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